The last pickup to come out of the special David Gage shop in New York is the Realist Lifeline. It attaches to the adjusters of your bridge in a minute (you'll need a bridge with adjusters, obviously). The output is surprisingly loud for a passive system and we dare to say it produces one of the most natural and realistic amplified double bass sounds. Excellent performance and less prone to feedback than other pickups. Oh yes, and it is really affordable.
Please note: this pickup works only with adjusters that are 65mm or less in diameter. For larger diameter wheels there's an XL version. Please contact us if you need that one.
David Gage The Realist Lifeline